Question

(2Х-3 ) + (-2Х²-5Х-18)

Answer 1

$(2x - 3) + ( - 2x ^{2} - 5x - 18) = 2x - 3 - 2 {x}^{2} - 5x - 18 = - 3x - 21 - 2 {x}^{2}$